Rename info to query_id and add more comments.
Rename info to query_id and add more comments.

chengduoZH/Paddle,chengduoZH/Paddle,tensor-tang/Paddle,lcy-seso/Paddle,lcy-seso/Paddle,chengduoZH/Paddle,jacquesqiao/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,pkuyym/Paddle,pkuyym/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,luotao1/Paddle,putcn/Paddle,lcy-seso/Paddle,pkuyym/Paddle,putcn/Paddle,PaddlePaddle/Paddle,pkuyym/Paddle,lcy-seso/Paddle,luotao1/Paddle,lcy-seso/Paddle,baidu/Paddle,QiJune/Paddle,chengduoZH/Paddle,QiJune/Paddle,QiJune/Paddle,Canpio/Paddle,tensor-tang/Paddle,QiJune/Paddle,tensor-tang/Paddle,luotao1/Paddle,jacquesqiao/Paddle,jacquesqiao/Paddle,putcn/Paddle,QiJune/Paddle,reyoung/Paddle,luotao1/Paddle,Canpio/Paddle,baidu/Paddle,baidu/Paddle,Canpio/Paddle,putcn/Paddle,PaddlePaddle/Paddle,Canpio/Paddle,Canpio/Paddle,PaddlePaddle/Paddle,putcn/Paddle,reyoung/Paddle,reyoung/Paddle,Canpio/Paddle,jacquesqiao/Paddle,pkuyym/Paddle,PaddlePaddle/Paddle,jacquesqiao/Paddle,tensor-tang/Paddle,reyoung/Paddle,Canpio/Paddle,baidu/Paddle,reyoung/Paddle,tensor-tang/Paddle,luotao1/Paddle,jacquesqiao/Paddle,pkuyym/Paddle,baidu/Paddle,lcy-seso/Paddle,putcn/Paddle,luotao1/Paddle,reyoung/Paddle,chengduoZH/Paddle,PaddlePaddle/Paddle,QiJune/Paddle